Who owns SIMO?
Institutional ownership of Silicon Motion Technology Corporation from Form 13F, Q2 2026
385 institutional managers reported holding Silicon Motion Technology Corporation (SIMO) in Form 13F filings for Q2 2026, with 25,030,243 shares worth $8.3B. The largest reported holder was FMR LLC. Managers that filed both quarters cut a net 2,063,950 shares (-7.6%). 148 opened new positions and 36 sold out.
- Funds holding
- 385
- Value held
- $8.3B
- New / sold out
- 148 / 36
- Net shares, same filers
- -7.6%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of SIMO
Share of 13F holdings is each fund's shares as a share of the 25,030,243 SIMO shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Alkeon Capital Management LLC New+$367M
- Polar Capital Holdings Plc New+$310M
- Invesco Ltd. Added+$241M
- Two Sigma Investments, LP Added+$142M
- D. E. Shaw & Co., Inc. New+$121M
- BIT Capital GmbH New+$116M
- Bahl & Gaynor LLC Added+$99.2M
- Driehaus Capital Management LLC Added+$92.0M
- Granahan Investment Management, LLC Added+$83.5M
- FengHe Fund Management Pte. Ltd. New+$60.5M
Biggest sellers in Q2 2026
- FMR LLC Trimmed-$374M
- Lord, Abbett & Co. LLC Trimmed-$195M
- Man Group plc Trimmed-$181M
- Kite Lake Capital Management (UK) LLP Trimmed-$138M
- Reinhart Partners, LLC. Trimmed-$116M
- Lazard Asset Management LLC Trimmed-$115M
- Robeco Institutional Asset Management B.V. Trimmed-$111M
- Frontier Capital Management Co LLC Trimmed-$89.9M
- CastleKnight Management LP Trimmed-$87.3M
- Neumeier Poma Investment Counsel LLC Trimmed-$83.9M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $2.4B and sold $2.9B; 76 added and 129 trimmed.
Questions about SIMO ownership
- Who owns SIMO stock?
- 385 institutional investment managers reported SIMO positions in their Form 13F filings for Q2 2026, holding 25,030,243 shares worth $8.3B in total. FMR LLC reported the largest position.
- Are funds buying or selling SIMO?
- In Q2 2026, 148 managers opened new SIMO positions, 76 added, 129 trimmed and 36 sold out. Managers that filed in both quarters sold a net 2,063,950 shares.
- How current is this SIMO institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to SIMO by CUSIP. Options are left out. SIMO news and filings · SIMO insider trades · Top funds